1961? Very early performance photo, back in the Stu Sutcliffe days. (Michael Ochs Archives)

1961? Very early performance photo, back in the Stu Sutcliffe days. (Michael Ochs Archives)

1961? Very early performance photo, back in the Stu Sutcliffe... Photo-3083476.44674 - San Antonio Express-News

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The handwritten letter by Paul McCartney, dated 12 August 1960, inviting an unknown drummer to audition for The Beatles, was discovered folded-up inside a book, by an anonymous collector at a car boot sale in Bootle, Liverpool, England. It shows he was a professional even then. (Kirsty Wigglesworth / Associated Press) less

The handwritten letter by Paul McCartney, dated 12 August 1960, inviting an unknown drummer to audition for The Beatles, was discovered folded-up inside a book, by an anonymous collector at a car boot sale in ... more

1965 -- McCartney in 1965, at around the time of... Photo-3083488.44674 - San Antonio Express-News

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The Beatles arrive in San Francisco on August 29, 1966 for their concert at Candlestick Park. Paul McCartney, Ringo Starr, John Lennon and George Harrison are shown walking down the stairs from an airplane. (Bob Campbell / SFC) less

The Beatles arrive in San Francisco on August 29, 1966 for their concert at Candlestick Park. Paul McCartney, Ringo Starr, John Lennon and George Harrison are shown walking down the stairs from an airplane. ... more

The Beatles arrive in San Francisco on August 29, 1966 for their... Photo-3083489.44674 - San Antonio Express-News

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Asian tour, June 1966

Asian tour, June 1966

Asian tour, June 1966 Photo-3083490.44674 - San Antonio Express-News

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McCartney with John Lennon, 1966

McCartney with John Lennon, 1966

McCartney with John Lennon, 1966 Photo-3083491.44674 - San Antonio Express-News

1968: Ever get the feeling you're no longer fitting in with the old gang? (APPLE CORPS LTD. / ABC)

1968: Ever get the feeling you're no longer fitting in with the old gang? (APPLE CORPS LTD. / ABC)

1968: Ever get the feeling you're no longer fitting in with... Photo-3083497.44674 - San Antonio Express-News

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18th July 1968: At the premiere of the new Beatles film 'Yellow Submarine' at the London Pavilion. John and Paul hold apples, the symbol of their newly formed company, Apple Corps. (Michael Webb / ONLINE_YES)

18th July 1968: At the premiere of the new Beatles film 'Yellow Submarine' at the London Pavilion. John and Paul hold apples, the symbol of their newly formed company, Apple Corps. (Michael Webb / ONLINE_YES)

18th July 1968: At the premiere of the new Beatles film... Photo-3083498.44674 - San Antonio Express-News

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19th February 1968: On their way to see the Maharishi. McCartney with his girlfriend, Jane Asher, a year before he married Linda Eastman. (Jim Gray / ONLINE_YES)

19th February 1968: On their way to see the Maharishi. McCartney with his girlfriend, Jane Asher, a year before he married Linda Eastman. (Jim Gray / ONLINE_YES)

19th February 1968: On their way to see the Maharishi. McCartney... Photo-3083499.44674 - San Antonio Express-News

March of 1969. (Associated Press) Photo-3083502.44674 - San Antonio Express-News

Image 29 of 71

Paul and Linda during the troubled LET IT BE sessions. Or it's President and Mrs. Garfield. One or the other. (CORBIS/BETTMANN)

Paul and Linda during the troubled LET IT BE sessions. Or it's President and Mrs. Garfield. One or the other. (CORBIS/BETTMANN)

Paul and Linda during the troubled LET IT BE sessions. Or... Photo-3083503.44674 - San Antonio Express-News

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1969: Another wedding picture from March of 1969. Looks brutal. (CORBIS/BETTMANN)

1969: Another wedding picture from March of 1969. Looks brutal. (CORBIS/BETTMANN)

1969: Another wedding picture from March of 1969. Looks brutal.... Photo-3083504.44674 - San Antonio Express-News

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Newlyweds Paul McCartney, 26, and the American photographer formerly Linda Eastman, centre, are mobbed by a crowd of screaming fans as they are escorted by police, as the couple leave the Marylebone Town Hall Registry Office in London, after their wedding, on March 12, 1969. (AP Photo, file) (Associated Press) less

Newlyweds Paul McCartney, 26, and the American photographer formerly Linda Eastman, centre, are mobbed by a crowd of screaming fans as they are escorted by police, as the couple leave the Marylebone Town Hall ... more

Newlyweds Paul McCartney, 26, and the American photographer... Photo-3083505.44674 - San Antonio Express-News

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The cover of MCCARTNEY, his first album from 1970, not a particular good album, but it has one masterpiece on it -- "Maybe I'm Amazed."

The cover of MCCARTNEY, his first album from 1970, not a particular good album, but it has one masterpiece on it -- "Maybe I'm Amazed."

The cover of MCCARTNEY, his first album from 1970, not a particular... Photo-3083506.44674 - San Antonio Express-News

1971: Paul McCartney, singer, songwriter and bass player for the recently disbanded Beatles, with his wife Linda (1941 - 1998) and their two children, Mary (L) and Heather (Rt) at Gatwick Airport on May 12, 1971 in London, England. (Central Press / Getty Images) less

1971: Paul McCartney, singer, songwriter and bass player for the recently disbanded Beatles, with his wife Linda (1941 - 1998) and their two children, Mary (L) and Heather (Rt) at Gatwick Airport on May 12, ... more

Former Beatle Paul McCartney (center) holds up the hands of the late John Lennon's son Sean Lennon (left) and his wife Yoko Ono (right) after John Lennon was inducted into the Rock and Roll Hall of Fame 19 January 1994. (MARIA R. BASTONE/AFP/Getty Image / AFP/Getty Images) less

Former Beatle Paul McCartney (center) holds up the hands of the late John Lennon's son Sean Lennon (left) and his wife Yoko Ono (right) after John Lennon was inducted into the Rock and Roll Hall of Fame 19 ... more

Former Beatle Paul McCartney (center) holds up the hands of the... Photo-3083521.44674 - San Antonio Express-News

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1994: Sean Lennon and Yoko Ono with Paul McCartney at the induction of John Lennon into the Rock and Roll Hall of Fame.

1994: Sean Lennon and Yoko Ono with Paul McCartney at the induction of John Lennon into the Rock and Roll Hall of Fame.

McCartney reacting to the death of George Harrison in 2001. Having blown it in 1980, when Lennon died -- he purposely didn't show his emotions, but ended up seeming callous -- he made sure to say the right things this time. (TIM OCKENDEN / Associated Press) less

McCartney reacting to the death of George Harrison in 2001. Having blown it in 1980, when Lennon died -- he purposely didn't show his emotions, but ended up seeming callous -- he made sure to say the right ... more

McCartney reacting to the death of George Harrison in 2001. Having... Photo-3083527.44674 - San Antonio Express-News

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Paul McCartney in THE LOVE WE MAKE, October, 2001. (Courtesy of SHOWTIME)

Paul McCartney in THE LOVE WE MAKE, October, 2001. (Courtesy of SHOWTIME)

In 2010, getting the Gershwin Prize from a guy almost as famous as he is.

In 2010, getting the Gershwin Prize from a guy almost as famous as he is.

In 2010, getting the Gershwin Prize from a guy almost as famous as... Photo-3083538.44674 - San Antonio Express-News

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Former Beatle Paul McCartney and American heiress Nancy Shevell exit Marylebone Town Hall in central London following their wedding Sunday Oct 9 2011. Shevell, 51, is McCartney's third wife. They were engaged earlier this year. (Jim Ross / Associated Press) less

Former Beatle Paul McCartney and American heiress Nancy Shevell exit Marylebone Town Hall in central London following their wedding Sunday Oct 9 2011. Shevell, 51, is McCartney's third wife. They were ... more

2011: Barbara Walters throws rose petals as former Beatle Sir Paul McCartney and his wife American heiress Nancy Shevell leave Marylebone Registry Office, following their wedding in central London , Sunday Oct. 9, 2011. Shevell, 51, is McCartney's third wife.The couple met in the Hamptons in Long Island, New York, shortly after the singer's divorce from Heather Mills in 2008 and they were engaged earlier this year. (AP Photo/Lefteris Pitarakis) (Lefteris Pitarakis / Associated Press) less

2011: Barbara Walters throws rose petals as former Beatle Sir Paul McCartney and his wife American heiress Nancy Shevell leave Marylebone Registry Office, following their wedding in central London , Sunday ... more

Paul McCartney is honored with a star on The Hollywood Walk Of Fame on February 9, 2012 in Hollywood, California. On the 48th anniversary of the Beatles first performance on the Ed Sullivan Show. (Getty Images) less

Paul McCartney is honored with a star on The Hollywood Walk Of Fame on February 9, 2012 in Hollywood, California. On the 48th anniversary of the Beatles first performance on the Ed Sullivan Show. (Getty ... more

Paul McCartney is honored with a star on The Hollywood Walk Of... Photo-3083542.44674 - San Antonio Express-News

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2012: Just this February -- Sir Paul and Lady Gaga.

2012: Just this February -- Sir Paul and Lady Gaga.

2012: Just this February -- Sir Paul and Lady Gaga. Photo-3083543.44674 - San Antonio Express-News